DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE COMMODITY VOLUMES (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2025 MMBTU MWh	Dec. 31, 2024 MWh MMBTU
Natural gas
Derivative [Line Items]
Derivative, nonmonetary notional amount	690	637
Congestion revenue rights
Derivative [Line Items]
Derivative, nonmonetary notional amount | MWh	25	27
SDG&E | Natural gas
Derivative [Line Items]
Derivative, nonmonetary notional amount	17	16
SDG&E | Congestion revenue rights
Derivative [Line Items]
Derivative, nonmonetary notional amount | MWh	25	27
SoCalGas | Natural gas
Derivative [Line Items]
Derivative, nonmonetary notional amount	385	347